One of the guys in my outfit who did a lot of weapon tests in beta said that the v495(or something like that) is the renamed Centauri.
It also seems like a better version of the Centauri, I used the Centauri quite extensively in beta, but the live version of this gun handles a lot better at longer distances. I still think it's worse at distance than the Pulsar, though. I'll probably end up using it in my short range loadout.
At least they gave it a different weapon model. Looks good and is pretty effective. Pulsar is better for range though.
I miss the XM9 Centauri, it had a faster reload time with great range and fire rate. The H-V495 is close, just sucks it has a higher reload time compared to XM9 Centauri, I love to reload and get back into the fight until I am out of ammo.